Is light therapy effective in treating psoriasis

Many people have heard that light therapy methods can treat psoriasis and are effective, but is this really true? Let the experts introduce it to you below.　　? Authoritative experts said that the effect is very good, can effectively treat psoriasis, phototherapy in the treatment of psoriasis mainly has the following curative effects: First, prostaglandins or leukotrienes and other metabolites change: photochemistry can inhibit this kind of inflammatory mediators release; Second, dilate blood vessels, promote blood circulation: ultraviolet irradiation caused by the expansion of dermal papillary capillaries, promote local blood circulation, improve the patient's original Microcirculation disorders, play the role of blood circulation; Third, inhibit DNA synthesis: UV irradiation can cause a reduction in DNA synthesis in overgrown cells, inhibit mitosis, inhibit epidermal cell proliferation. At the same time, it can also prevent cells from entering the proliferative phase from the resting phase, inducing cell differentiation; four, improve immune function: so that the formation of immunoglobulin increased, complement activation, leukocyte phagocytosis ability to enhance, so as to improve the immune function, to correct the patient's original immune abnormality; five, cellular damage and mediator release: ultraviolet light into the skin after being many different intracellular and extracellular molecules absorbed, leading to electronic excitation, and in the important The chemical reaction occurs in the biological molecules, causing the cell metabolism and cell replication kinetic changes, so that psoriasis gradually reduce and alleviate; In short, phototherapy has a certain therapeutic effect on psoriasis, and the time to maintain non-recurrence after the rash is cleared is also relatively long, so it is more widely used in dermatology clinical medical treatment. The best treatment for psoriasis